28708589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 35468160

約数和(自身を除く): 6759571

約数列:

[1, 7, 13, 91, 389, 811, 2723, 5057, 5677, 10543, 35399, 73801, 315479, 2208353, 4101227, 28708589]

約数ペア:

[(1, 28708589), (7, 4101227), (13, 2208353), (91, 315479), (389, 73801), (811, 35399), (2723, 10543), (5057, 5677)]